56 EEPTILES. 



Var. 1. Scales with a smaller, more indistinct keel; anterior 

 ventral shields narrow, ovate, smooth, Avith a distinct central groove ; 

 the hinder one broader, with two slight keels ; chin shields small. 



c. In spirits. India, Bengal ? Presented by General Hardwicke. 



7. Chitulia. 



Head elongate, rather depressed in front : nasal shields rather 

 broad, four-sided, trimucronaled in front: rostral shield broad, short, 

 five-sided : labial shield large ; first upper square, moderate ; second, 

 third and fourth large ; hinder small, triangular : lower rostral tri- 

 angular, small ; the five front lower labials large, with some trian- 

 gular marginal shields : chin shields two pairs, close together ; 

 temple shielded; occipital shield prolonged behind: eyes large, 

 over the fourth labial shield : pupil round : neck moderately thick : 

 scales of body six-sided, truncated, with a central keel ; of neck 

 thinner and smoother ; of belly broader and rounded: ventral shields 

 moderate, broad ; of the neck smooth and more elongate. 



1. The Chitulia. Chitulia inornata. 



Bluish gray ; lips, lower part of sides and beneath white ; tail 

 dark bluish gray, with three or four narrow white cross-bands: head 

 shield smooth • scales six-sided, with a very slight central tubercle ; 

 of neck more elongate and smooth: one anterior and two posterior 

 equal ocular scales: temple with two shields; the lower triangular; 

 the upper elongate, margining the occipital shield, with a small tri- 

 angular shield behind it. 



a. In spirits. Adult. Indian Ocean. Presented by Capt. Sir 

 Edward Belcher, K.C.B., R.N. 



2. The Keeled Chitulia. Chitulia fasciata. 



White in spirits ; crown and lips olive ; back of neck and body 

 with broad squareish cross-bands, leaving a narrow white cross-band, 

 the dark band becoming more angular and wider apart on the hinder 

 part of the back: scales concave, with a round central keel, which 

 is higher and more raised at the end on the belly; scales of the neck 

 scarcely keeled. 



a. In fluid. Indian Ocean. Presented by Capt. Sir Edward Bel- 

 cher, K.C.B., R.N. 



The Hoogli Pattee, Russell, Ind. Serp. i. t. 10. Hydrophis 

 Schistosus, Daud. RepL vii. 386. Pelamis Schistosus, Bote. 



